⚠️ Warning: Never connect two 4-ohm speakers simultaneously. This creates a combined 2-ohm load, causing the amplifier to overheat, trip its thermal protection, or permanently blow the internal fuse. 🛑 Troubleshooting & Maintenance Audio Choice QM4
: The receiver will display Signal Strength icons when the microphone is successfully paired and within range.
: Used for low-impedance microphones. Ensure these are connected before powering the unit on.
Provides dedicated 1/4-inch send and return jacks to loop in outboard outboard gear or processing equipment like a dbx DriveRack system . audio choice qm4 manual
Each of the four input channels on the QM4 is designed for individual control, allowing you to balance multiple microphones or instruments simultaneously. Input Setup
: Press and hold the Set Button for approximately 4 seconds until the display blanks. The unit will cycle through channels in the order A, B, C, and D . Volume Adjustment : Press the Set Button once to enter volume mode. Press the Set Button again to adjust the level. The device exits this mode after 5 seconds of inactivity.
features a built-in subwoofer. For the best bass response, ensure it isn't completely enclosed in a cabinet. 📱 Social Media / "For Sale" Post Upgrade Your Home Cinema – Q Acoustics M4 Soundbar 🎶 : Used for low-impedance microphones
Portable desktop/tabletop chassis wrapped in protective black Tolex with an integrated carrying handle. Mixer Weight: Approximately 20.5 lbs (9.3 kg). Dimensions: 6" H x 18.5" W x 11.5" D. Front Panel Layout and Control Functions
(often configured as 100W RMS), this system is built to provide clear, reliable sound without the complexity of larger professional rigs. Key Hardware Specifications Power Output : 100 Watts at 4 Ohms. Mixer Inputs : 4 discrete channels, each featuring both XLR and 1/4" inputs Portability : The mixer weighs approximately
Permits turning the reverb on/off via a foot pedal (optional). 3. Setup and Operation Guide A. Powering On Each of the four input channels on the
Ensure your vocal microphones are positioned behind the front plane of the PA speakers. If a microphone points directly at a speaker cone, an instantaneous feedback loop occurs.
To prevent hardware damage and maximize audio fidelity, follow these sequential steps when building your sound system: Step 1: Speaker Connections
is a "budget" professional audio system designed for small venues, band practice, DJ gigs, and karaoke. It is known for being rugged, lightweight, and easy to operate. Power Output : 100 Watts RMS at 4 ohms. Channels : 4 independent channels.
Fully turn down all four channel knobs and the Master Volume knob.
: Use the 1/4" jacks for guitars, keyboards, or media players.